11472641 has 2 divisors, whose sum is σ = 11472642. Its totient is φ = 11472640.

The previous prime is 11472623. The next prime is 11472649. The reversal of 11472641 is 14627411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11022400 + 450241 = 3320^2 + 671^2 .

It is an emirp because it is prime and its reverse (14627411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11472641 - 2¹⁴ = 11456257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11472641.

It is not a weakly prime, because it can be changed into another prime (11472649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5736320 + 5736321.

It is an arithmetic number, because the mean of its divisors is an integer number (5736321).

Almost surely, 2^11472641 is an apocalyptic number.

It is an amenable number.

11472641 is a deficient number, since it is larger than the sum of its proper divisors (1).

11472641 is an equidigital number, since it uses as much as digits as its factorization.

11472641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344, while the sum is 26.

The square root of 11472641 is about 3387.1287250413. The cubic root of 11472641 is about 225.5387320946.

The spelling of 11472641 in words is "eleven million, four hundred seventy-two thousand, six hundred forty-one".